obs install

I'm Not able to Install the OBS in my system. as showing the error . Also adding to the concern that Microsoft edge is completely closed. But still this error is showing. Please do help on prior basis. Help me

Followed instructions at https://obsproject.com/wiki/install-instructions#ubuntu-installation for Ubuntu sudo apt-get install ffmpeg << installed ok sudo add-apt-repository ppa:obsproject/obs-studio << installed ok sudo apt-get update << shows >>...